AUSTRALIAN MONITOR AMIS 60 Specifications download pdf (Page 5)

R E A R PA N E L

PA G E 5

A M I S S E R I ES I N S TA L L AT I O N & O P ER AT I ON M A N UA L

CH 1-6

Each channel input section has two inputs:

XLR input – This is a balanced microphone input. It has an

input sensitivity of 1mV.

RCA input – This is an unbalanced line level input. It has

an input sensitivity of 150mV. The two RCA sockets are

summed to mono internally.

REC OUTPUT

The REC output is on unbalanced RCA connectors. The

output level is 300mV into 10kohm at rated output. The

output is dual mono.

The REC output is not affected by the MASTER volume

control or the BASS and TREBLE controls. The REC output

does not receive the tone signal.

LINE OUTPUT

The LINE output is on a balanced XLR connector.

The output level is 2V into 1k at rated output.

NOTE: When wiring the LINE output as

unbalanced, Pin2 should be wired as

hot and Pin1 should be wired as

ground/shield. Do not wire Pin3.

AMP OUT

The speaker connections are on the 12 pole terminal strip.

There is a low impedance output (OHM) and a distributed

line voltage output (LINE).

25V/70V out is available on 115V models.

70V/100V out is available on 230V/240V models.

8ohm out is available on the AMIS60 and AMIS120.

4ohm out is available on the AMIS120.

MINIMUM IMPEDANCE

Distributed Line Output AMIS60 AMIS120

25V (115V version) 10.4ohm 5.2ohm

100V (230/240V version) 333ohm 166ohm

70V (230/240 & 115V versions) 166ohm 83ohm

Low Impedance Output

4 ohm (230/240 & 115V versions) N/A 4ohm

8 ohm (230/240 & 115V versions) 8ohm 8ohm

NOTE: Only connect one output - either

Distributed Line or Low Impedance

per channel. Do not connect the 8ohm, 4ohm

and 100V at the same time.

The output strip comes ﬁtted with a touch-proof cover held

in place by two M3 machine screws with ﬂat and spring

washers.

VCA CONTROL

These two terminals provide connection for an external

potentiometer (500k log) which is available mounted on

a wall panel from Australian Monitor (RC1). When the

potentiometer is connected it allows for remote control

of the master level. The external pot is governed by the

master level of the ampliﬁer allowing the installer to set

the volume and then lock the ampliﬁer in a rack, leaving

the user with just a master volume control that cannot go

beyond the level set on the front panel master control.

The terminals can also be used as a system mute by

shorting the two contacts together (by a relay or switch

for example).

VOX RELAY

These terminals provide connection for the priority relay

output. The relay outputs are C (Common), NO (Normally

Open) and NC (Normally Closed). These are the states of

the relay when the ampliﬁer is off (mains or dc). When

the unit is switched on the relay activates. The relay

deactivates when signal is present at any of the priority

inputs regardless of the front panel channel volumes. This

would normally be inputs 1 and 2 however these channels

can be removed from the priority bus via internal links

(see “Functional Notes’). The unit is shipped from the

factory with inputs 1 and 2 having priority so assuming

that this has not been changed, signal at any of these

inputs will deactivate the VOX relay circuit. The relay also

deactivates when a tone sound is triggered

The NO or NC selection provides the installer with the

option of the relay either opening or closing a contact.

This feature is normally used in conjunction with relay

override attenuators (volume controls). In this application,

the relay output could trigger an accessory power supply

which in turn bypasses the remote attenuators. The result

is that priority inputs or alarm tones will always be heard

irrespective of the attenuator setting. The relay contacts

are rated at 3 amps at 125VAC/30VDC.The relay can be

disabled via an internal link (see “Internal Settings”).

TONES MODULE

These terminals provide connection for triggering the

in built tone module. The four tones can be activated

individually by shorting the named terminal to COM. When

any tone is activated, all inputs (except for inputs 1 and

2) will automatically mute. The level of the tones can by

adjusted internally (see “Internal Adjustments”). The pot

adjusts the level for all 4 tones.

Tones available on the AMIS60 and AMIS120 are:

- Evacuation Tone

- Alert Tone

- Bell Tone

- Pre-Announce Chime

TELEPHONE INPUT (only on 115V models)

The 600 ohm transformer balanced Telephone Input is

paralleled with input 2. If telephone paging is required,

the XLR & dual RCA inputs should not be used as these

inputs will be summed with the Telephone Input into

channel 2. The front panel level control will set the gain

for the Telephone Input.

The Telephone input is shipped with a jumper lead

connected to the input terminals; this must be discarded

if the telephone input is to be used.

24VDC POWER IN

These terminals provide connection for an external 24V

emergency power system and are not switched by the

front panel power switch. The 24VDC in does NOT provide

any trickle charge facility. The binding posts can

accommodate wire of up to 1.5mm in diameter. The

maximum current draw at 24VDC is 9A.

IEC MAINS INPUT SOCKET

This is a standard IEC 3 pin socket. It accepts a standard

IEC mains cable, provided. The fuse draw contains the

mains fuse and a spare.

AMIS60 AMIS120

230V/240V model 2A 3.15A

115V model 3.15A 4A

IMPORTANT: Always replace the fuse with one

of the same value and type.

NOTE: Always disconnect power to the

ampliﬁer before replacing fuses.

VOLTAGE SELECT SWITCH

(only on 230V/240V models)

This switch is used to select the mains voltage for your

region.

IMPORTANT: Disconnect power to the ampliﬁer

before operating this switch.

PHANTOM POWER

This switch enabes +15V phantom power across all XLR

input connectors.

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AMIS SERIES 60/120 manual.indd 5 2/7/07 12:42:33 PM

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AUSTRALIAN MONITOR AMIS 60 Specifications Page 5

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